An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6130-00-936-1921
NSN 5950-00-186-9796
NSN 5895-01-247-4534
NSN 5905-01-069-2536
NSN 5930-01-357-6648
NSN 5910-01-172-9813
NSN 6620-01-183-1900
NSN 6220-01-350-3108
NSN 6650-00-488-8898
NSN 5998-00-423-7121
NSN 5998-00-729-5614
NSN 6645-01-526-5528